You have an incomplete sentence. "We saw several none were available" needs an object-- what did you SEE?
Here are some objects in the sentence:
We saw several empty seats; none were available.
We saw several empty tables; none were available.
We saw several cabs parked along the curb; none were available.
We saw several women but all were married; none were available.
None that I can find, but there are several sites on how to keep your house clean.
None of the colleges got back to him.He applied to several colleges.
There are none available from the Amazon Kindle store. However, several websites may have unofficial versions
There are four F's in the sentence.
The thieves devised several strategies to avoid been captured by the police. None of the marketing strategies of the company could improve their sales.
None of the movies that released this week are worth watching.
there is none
None of these people had the answer
none
I fear that herbs work only on your state of mind, none are likely to modify breast tissue.
the money they gave us was none profit to us.
The pronoun 'none' is an indefinite pronoun, a word that takes the place of the noun phrase 'not any'.